Perimeter Acquisition Ownership | Who Owns Perimeter Acquisition?

Perimeter Acquisition Ownership Summary

Perimeter Acquisition is owned by 71.12% institutional investors, and 28.88% retail investors. Harraden circle investments is the largest institutional shareholder, holding 7.92% of PMTR shares. PICTON Arbitrage Plus Alternative Fund F is the top mutual fund, with 0.87% of its assets in Perimeter Acquisition shares.

PMTR Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Perimeter Acquisition	71.12%	-	28.88%
Industry	Shell Companies Stocks	2846.75%	20.27%	-2767.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Harraden circle investments	2.44M	7.92%	$25.04M
Fort baker capital management lp	1.57M	5.11%	$16.15M
Magnetar financial	1.50M	4.87%	$15.38M
Alberta investment management	1.50M	4.87%	$15.38M
Linden advisors lp	1.50M	4.87%	$15.38M
Moore capital management, lp	1.20M	3.89%	$12.31M
Governors lane lp	1.12M	3.62%	$11.46M
Toronto dominion bank	909.46K	2.95%	$9.33M
Saba capital management	804.88K	2.61%	$8.26M
Meteora capital	698.20K	2.27%	$7.16M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Harraden circle investments	2.44M	5.02%	$25.04M
Fort baker capital management lp	1.57M	1.27%	$16.15M
Governors lane lp	1.12M	0.73%	$11.46M
Meteora capital	698.20K	0.53%	$7.16M
Periscope capital	323.10K	0.37%	$3.32M
Radcliffe capital management	338.53K	0.26%	$3.47M
Moore capital management, lp	1.20M	0.25%	$12.31M
Saba capital management	804.88K	0.23%	$8.26M
K2 principal fund	297.24K	0.21%	$3.05M
Dld asset management, lp	199.35K	0.19%	$2.05M

Top Buyers

Holder	Shares	% Assets	Change
Fort baker capital management lp	1.57M	1.27%	773.68K
Westchester capital management	150.00K	0.07%	150.00K
Harraden circle investments	2.44M	5.02%	139.80K
Sona asset management (us)	82.99K	0.02%	82.99K
Radcliffe capital management	338.53K	0.26%	61.56K

Top Sellers

Holder	Shares	% Assets	Change
Lighthouse investment partners	-	-	-750.00K
Saba capital management	804.88K	0.23%	-250.99K
Hgc investment management	-	-	-238.40K
Weiss asset management lp	106.89K	0.01%	-143.11K
Fifth lane capital, lp	-	-	-125.00K

New Positions

Holder	Shares	% Assets	Change	Value
Westchester capital management	150.00K	0.07%	150.00K	$1.54M
Sona asset management (us)	82.99K	0.02%	82.99K	$851.49K
Clear street	56.31K	0.00%	56.31K	$572.63K
Stonex group	49.32K	0.03%	49.32K	$506.03K
Virtu financial	39.39K	0.02%	39.39K	$404.00K

Sold Out

Holder	Change
Rangeley capital	-10.00K
Bluecrest capital management	-10.00K
Marex group	-13.80K
Alpine global management	-84.06K
Wealthspring capital	-97.90K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	52	-1.89%	21,922,487	1.98%	71	0.95%	17	-19.05%	11	-21.43%
Dec 31, 2025	34	-22.73%	11,373,409	-47.75%	45	0.59%	15	-37.50%	10	66.67%
Sep 30, 2025	42	82.61%	20,466,657	25.68%	109	2.98%	24	4.35%	6	-
Jun 30, 2025	25	-	16,784,548	-	62	-	25	-	-	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
PICTON Arbitrage Plus Alternative Fund F	267.50K	0.87%	-
The Merger Fund A	123.20K	0.40%	123.20K
Westchester Merger Arbitrage Composite	123.20K	0.40%	123.20K
Arrow Long/Short Alt Fd F	53.14K	0.17%	-
Arrow Opportunities Alternative Series F	38.46K	0.12%	-
PICTON Arbitrage Alternative Fund F	18.00K	0.06%	-
AQR Corp Abtg IAU1F USD Acc	11.32K	0.04%	-
Fidelity Nasdaq Composite Index	8.12K	0.03%	-
Virtus Westchester Event-Driven Fd I	7.01K	0.02%	7.01K
Westchester Event Driven Composite	7.01K	0.02%	7.01K

PMTR Ownership FAQ

Who Owns Perimeter Acquisition?

Perimeter Acquisition shareholders are primarily institutional investors at 71.12%, followed by 0% insiders and 0% retail investors. The average institutional ownership in Perimeter Acquisition's industry, Shell Companies Stocks , is 2846.75%, which Perimeter Acquisition falls below.

Who owns the most shares of Perimeter Acquisition?

Perimeter Acquisition’s largest shareholders are Harraden circle investments (2.44M shares, 7.92%), Fort baker capital management lp (1.57M shares, 5.11%), and Magnetar financial (1.5M shares, 4.87%). Together, they hold 17.89% of Perimeter Acquisition’s total shares outstanding.

Does Blackrock own Perimeter Acquisition?

BlackRock is not among the top 10 institutional shareholders of Perimeter Acquisition.

Who is Perimeter Acquisition’s biggest shareholder by percentage of total assets invested?

Harraden circle investments is Perimeter Acquisition’s biggest shareholder by percentage of total assets invested, with 5.02% of its assets in 2.44M Perimeter Acquisition shares, valued at 25.04M$.

Who is the top mutual fund holder of Perimeter Acquisition shares?

PICTON Arbitrage Plus Alternative Fund F is the top mutual fund holder of Perimeter Acquisition shares, with 0.87% of its total shares outstanding invested in 267.5K Perimeter Acquisition shares.

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